# Calculator with 100 button vs Ambient Time

The clearest difference is ads: Ambient Time at none against Calculator with 100 button's shown. Ambient Time also leads on update cadence (every 6 days vs every 2 months) and device support (5 vs 1). On price and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Calculator with 100 button ships an update every 2 months, Ambient Time every 6 days. The most recent releases landed on October 30, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Calculator with 100 button | Ambient Time |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | **Every 6 days** |
| Size | 42 MB | 25 MB |
| Requires iOS | 26.1 | **17.0** |
| Devices | iPhone | **iPhone, iPad, Mac, Apple TV, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Hideaki Uchikoshi](https://appshunter.io/developer/1559575002) | [LanguageCraft](https://appshunter.io/developer/1029635130) |

## What reviewers say

### Calculator with 100 button

[App page](https://appshunter.io/ios/app/calculator-with-100-button/id6755328938)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### Ambient Time

[App page](https://appshunter.io/ios/app/ambient-time/id6778627510)

**Features:** Apple Watch app, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Calculator with 100 button free?

Calculator with 100 button is free to download, with no in-app purchases.

### Is Ambient Time free?

Ambient Time is free to download, with no in-app purchases.

### Do Calculator with 100 button or Ambient Time have ads?

Calculator with 100 button shows ads; Ambient Time does not.

### Which is updated more often, Calculator with 100 button or Ambient Time?

Calculator with 100 button ships an update every 2 months, and Ambient Time every 6 days. Most recently, Calculator with 100 button was updated on October 30, 2026 and Ambient Time on October 28, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*